磁传感器的优点：The integrated magnetic field sensor is superior to other sensing technologies owing to its unique advantages, such as being insensitive to climate and weather conditions, being less susceptible than loops to stresses of tra�c, its low cost, its small volume, and its comparability to wireless communication [4].
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various speed detection instrumentation. In Proceedings of the 2013 IEEE Business Engineering and
Industrial Applications Colloquium (BEIAC), Langkawi, Malaysia, 7–9 April 2013; pp. 668–672.）
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